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TABLE 1 cont'd Groundwater Elevation Measurements <br /> Project: Gillies Trucking <br /> Well Casing Depth to <br /> Well ID# Date Measured Elevation Groundwater Elevation <br /> 6/14/99 4655 -21 10 <br /> 1015/99 Not Monitored <br /> 12/22/99 51 76 -2631 <br /> 4/4100 Not Monitored <br /> GT-10 3/22/99 2733 4635 -1902 <br /> 4/9/99 4650 -19 17 <br /> 5/14/99 4840 -21 07 <br /> 10/5199 55 17 -2784 <br /> 12/22/99 53 70 -2637 <br /> 4/4100 4658 -1925 <br /> Ground level was estimated based on USGS maps Well elevations were surveyed <br /> using GT-3 as the base elevation.Note that GT-3 was formerly termed MW-1 <br /> All wells were re-surveyed relative to GT-3 on 4/9199 and groundwater elevations on <br /> 3/22/99 were calculated using the re-surveyed casing elevations <br /> i <br />